Open Markets Institute
Events Press
Donate Subscribe
Programs Democracy and Ideology Anti-Monopoly Law, Policy, & Enforcement Center for Media & Digital Governance Technology & Power Fair Food & Farming Systems Resilient World Systems Health and the Public Interest Law and Political Economy Southern Justice Program Issues Artificial Intelligence Robinson-Patman Act Entrepreneurship Decarbonization Transportation Labor



Types Newsletters Op-Eds & Articles Reports & White Papers Amicus Briefs & Petitions Testimony & Comment Letters Books Videos & Audio Blogs View All Publications
Anti-Monopoly Basics Historical Timeline Reading List In Your State Expert Briefs AI and Journalism
Our Mission Our People Careers Code of Conduct Food & Power Center for Media & Digital Governance
Programs Programs Democracy and Ideology Anti-Monopoly Law, Policy, & Enforcement Center for Media & Digital Governance Technology & Power Fair Food & Farming Systems Resilient World Systems Health and the Public Interest Law and Political Economy Southern Justice Program Issues Artificial Intelligence Robinson-Patman Act Entrepreneurship Decarbonization Transportation Labor



Publications Types Newsletters Op-Eds & Articles Reports & White Papers Amicus Briefs & Petitions Testimony & Comment Letters Books Videos & Audio Blogs View All Publications EventsPress Learn Anti-Monopoly Basics Historical Timeline Reading List In Your State Expert Briefs AI and Journalism About Our Mission Our People Careers Code of Conduct Food & Power Center for Media & Digital Governance
Open Markets Institute
Liberty • Democracy • Prosperity
DonateSubscribe

Publications

Amicus Briefs & Petitions

Geometric-Blue2.jpg
 
Featured
Open Markets Institute Files Amicus Brief Defending Antitrust Verdict Against Biosense Webster for Exclusionary Conduct in Medical Device Market
May 27, 2026
Press Releases, Amicus Briefs & Petitions
Open Markets Institute Files Amicus Brief Defending Antitrust Verdict Against Biosense Webster for Exclusionary Conduct in Medical Device Market
May 27, 2026
Press Releases, Amicus Briefs & Petitions

The Open Markets Institute filed an amicus brief in the U.S. Court of Appeals for the Ninth Circuit supporting Innovative Health, LLC in Innovative Health v. Biosense Webster urging the court to uphold a jury verdict finding Biosense Webster guilty of violating federal antitrust law by using its dominant position in the cardiac-mapping market to block competition from lower-cost medical device reprocessors. 

Read more →
May 27, 2026
Press Releases, Amicus Briefs & Petitions
Amicus Brief Urges Third Circuit to Correct Misinterpretation of Clayton Act Provision on Exclusive Dealing 
February 4, 2026
Amicus Briefs & Petitions, Press Releases
Amicus Brief Urges Third Circuit to Correct Misinterpretation of Clayton Act Provision on Exclusive Dealing 
February 4, 2026
Amicus Briefs & Petitions, Press Releases

The Open Markets Institute filed an amicus brief in support of the plaintiffs in Reading Hospital v. Hill-Rom Holdings, a case concerning the monopolistic manufacturer of hospital beds using exclusive dealing with health systems to perpetuate its dominance.

Read more →
February 4, 2026
Amicus Briefs & Petitions, Press Releases
Amicus Brief Urges Ohio Court of Appeals to Uphold State’s Authority to Designate Google as a Common Carrier
November 17, 2025
Amicus Briefs & Petitions, Press Releases
Amicus Brief Urges Ohio Court of Appeals to Uphold State’s Authority to Designate Google as a Common Carrier
November 17, 2025
Amicus Briefs & Petitions, Press Releases

The Open Markets Institute filed an amicus brief in State of Ohio v. Google, urging the Fifth District Court of Appeals of Ohio to recognize the state’s authority to designate Google Search as a common carrier—just as courts and legislatures have long done for railroads, telegraphs, telephones, and other corporations that hold themselves out to serve the public. 

Read more →
November 17, 2025
Amicus Briefs & Petitions, Press Releases
Open Markets Files Amicus Brief Defending Congress’s Constitutional Authority to Limit Presidential Removal Power and Protect the Federal Trade Commission
November 14, 2025
Amicus Briefs & Petitions, Press Releases
Open Markets Files Amicus Brief Defending Congress’s Constitutional Authority to Limit Presidential Removal Power and Protect the Federal Trade Commission
November 14, 2025
Amicus Briefs & Petitions, Press Releases

The Open Markets Institute filed an amicus brief led by Policy Counsel Tara Pincock, Legal Director Sandeep Vaheesan, and Jamie Crooks of Fairmark Partners defending Congress’s authority under the Constitution to restrict the President’s ability to remove officials at executive agencies and departments. The brief argues that Congress, under the Necessary and Proper Clause of Article I, has broad powers to structure the federal government and ensure that the execution of the law remains independent from direct presidential control. 

Read more →
November 14, 2025
Amicus Briefs & Petitions, Press Releases
OMI Urges Court to Require Google Divestitures in Ad Tech Monopoly Case
September 12, 2025
Amicus Briefs & Petitions, Press Releases
OMI Urges Court to Require Google Divestitures in Ad Tech Monopoly Case
September 12, 2025
Amicus Briefs & Petitions, Press Releases

The Open Markets Institute submitted an amicus brief in United States v. Google, urging the court to order Google to divest part of its advertising technology businesses to restore competition and to protect publishers, advertisers, and the public.

Read more →
September 12, 2025
Amicus Briefs & Petitions, Press Releases
Open Markets Institute Calls on the Supreme Court to Take Case Challenging Merck’s Deceptive Practices to Preserve Mumps Vaccine Monopoly
August 12, 2025
Amicus Briefs & Petitions, Press Releases
Open Markets Institute Calls on the Supreme Court to Take Case Challenging Merck’s Deceptive Practices to Preserve Mumps Vaccine Monopoly
August 12, 2025
Amicus Briefs & Petitions, Press Releases

The Open Markets Institute filed an amicus brief in the Supreme Court, urging the Court to address Merck’s alleged misrepresentations to the Food and Drug Administration to extend its monopoly in the mumps vaccine market.

Read more →
August 12, 2025
Amicus Briefs & Petitions, Press Releases
Open Markets Institute Files Amicus Brief in Ninth Circuit Challenging Monopoly in Surgical Robot Market 
July 30, 2025
Amicus Briefs & Petitions, Press Releases
Open Markets Institute Files Amicus Brief in Ninth Circuit Challenging Monopoly in Surgical Robot Market 
July 30, 2025
Amicus Briefs & Petitions, Press Releases

The Open Markets Institute filed an amicus brief in the Ninth Circuit Court of Appeals warning that Intuitive Surgical is exploiting its monopoly over surgical robots to dominate markets for essential accessories—posing serious risks to hospitals, doctors, and patients. 

Read more →
July 30, 2025
Amicus Briefs & Petitions, Press Releases
Amicus Brief - Casino-Hotels Algorithmic Price-Fixing Case, Cornish-Adebiyi v. Caesars
January 29, 2025
Amicus Briefs & Petitions, Press Releases
Amicus Brief - Casino-Hotels Algorithmic Price-Fixing Case, Cornish-Adebiyi v. Caesars
January 29, 2025
Amicus Briefs & Petitions, Press Releases

 The Open Markets Institute filed an amicus brief in Cornish-Adebiyi v. Caesars, a case before the Third Circuit court in which casino hotels in Atlantic City used revenue management software from Cendyn Group to fix prices at high rates.

Read more →
January 29, 2025
Amicus Briefs & Petitions, Press Releases
Open Markets Institute Files Second Amicus Brief Supporting FTC’s Nationwide Ban on Non-Compete Clauses
January 9, 2025
Amicus Briefs & Petitions, Press Releases
Open Markets Institute Files Second Amicus Brief Supporting FTC’s Nationwide Ban on Non-Compete Clauses
January 9, 2025
Amicus Briefs & Petitions, Press Releases

The Open Markets Institute filed an amicus brief in Ryan v. FTC, marking the second appellate case in which Open Markets has defended the Federal Trade Commission’s (FTC) landmark prohibition on non-compete clauses.

Read more →
January 9, 2025
Amicus Briefs & Petitions, Press Releases
 Open Markets Urges Third Circuit to Hold Merck to Account for Lying to FDA as a Means of Preserving Mumps Vaccine Monopoly
November 26, 2024
Press Releases, Amicus Briefs & Petitions
Open Markets Urges Third Circuit to Hold Merck to Account for Lying to FDA as a Means of Preserving Mumps Vaccine Monopoly
November 26, 2024
Press Releases, Amicus Briefs & Petitions

The Open Markets Institute filed an amicus brief with the U.S. Court of Appeals for the Third Circuit, urging the court to grant a rehearing In re Merck Mumps Vaccine Antitrust Litigation. A class of physicians alleged that Merck misled the Food and Drug Administration about the shelf-life of its vaccine and thereby kept out a competing vaccine.

Read more →
November 26, 2024
Press Releases, Amicus Briefs & Petitions

View All Publications

 
 
Logo-Tagline-White.png
 
Donate
 
 
 
 
 
ContactCareersFunders and SupportersCode of ConductPrivacy PolicyYearly 990RSS